Bluetooth wireless: Fast data transmission with up to 33 feet working range. Ergonomic design: Made of high-quality plastic, slim numeric keypad with ergonomic tilt and anti-slip pads on the back for comfort. Multi-function 22-key number pad: Numeric keypad supports NumLock, ESC, Tab, Delete, and other functions. High-quality scissor switches: Comfortable typing experience with round key design, providing easy and quiet keystrokes. Rechargeable: Built-in rechargeable battery; single charge lasts up to 3 months. Compatibility: Works with PCs and desktop computers running Windows 2000/XP/Vista/7/8/10 and iOS operating systems. Color: Pink Material: Plastic Package Contents: 1 x Wireless Number Pad Note: Only the items listed are included. Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.